using System;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines
{
	// Token: 0x02001D7F RID: 7551
	[Token(Token = "0x2001D7F")]
	public class RC564Engine : IBlockCipher
	{
		// Token: 0x0600BC06 RID: 48134 RVA: 0x00297CE0 File Offset: 0x00295EE0
		[Token(Token = "0x600BC06")]
		[Address(RVA = "0x272F6F0", Offset = "0x272E6F0", VA = "0x18272F6F0")]
		public RC564Engine()
		{
			this.Reset();
			this._noRounds = (int)((ulong)12L);
		}

		// Token: 0x17001D7E RID: 7550
		// (get) Token: 0x0600BC07 RID: 48135 RVA: 0x00297D00 File Offset: 0x00295F00
		[Token(Token = "0x17001D7E")]
		public virtual string AlgorithmName
		{
			[Token(Token = "0x600BC07")]
			[Address(RVA = "0x2730790", Offset = "0x272F790", VA = "0x182730790", Slot = "10")]
			get
			{
				return "RC5-64";
			}
		}

		// Token: 0x17001D7F RID: 7551
		// (get) Token: 0x0600BC08 RID: 48136 RVA: 0x00297D14 File Offset: 0x00295F14
		[Token(Token = "0x17001D7F")]
		public virtual bool IsPartialBlockOkay
		{
			[Token(Token = "0x600BC08")]
			[Address(RVA = "0x424690", Offset = "0x423690", VA = "0x180424690", Slot = "11")]
			get
			{
			}
		}

		// Token: 0x0600BC09 RID: 48137 RVA: 0x00297D24 File Offset: 0x00295F24
		[Token(Token = "0x600BC09")]
		[Address(RVA = "0x272FE70", Offset = "0x272EE70", VA = "0x18272FE70", Slot = "12")]
		public virtual int GetBlockSize()
		{
			int num = RC564Engine.bytesPerWord;
			return num + num;
		}

		// Token: 0x0600BC0A RID: 48138 RVA: 0x00297D3C File Offset: 0x00295F3C
		[Token(Token = "0x600BC0A")]
		[Address(RVA = "0x272FED0", Offset = "0x272EED0", VA = "0x18272FED0", Slot = "13")]
		public virtual void Init(bool forEncryption, ICipherParameters parameters)
		{
			/*
An exception occurred when decompiling this method (0600BC0A)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.RC564Engine::Init(System.Boolean,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.ICipherParameters)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_35:
	stloc:ArgumentException(var_5_46, newobj:ArgumentException(ArgumentException::.ctor, call:string(string::Concat, ldstr:string("invalid parameter passed to RC564 init - "), ldloc:string(var_4))))
}

   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663
*/;
		}

		// Token: 0x0600BC0B RID: 48139 RVA: 0x00297D90 File Offset: 0x00295F90
		[Token(Token = "0x600BC0B")]
		[Address(RVA = "0x2730060", Offset = "0x272F060", VA = "0x182730060", Slot = "14")]
		public virtual int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
		{
			if (this.forEncryption)
			{
				int num;
				return num;
			}
			int num2;
			return num2;
		}

		// Token: 0x0600BC0C RID: 48140 RVA: 0x0000220F File Offset: 0x0000040F
		[Token(Token = "0x600BC0C")]
		[Address(RVA = "0x4242D0", Offset = "0x4232D0", VA = "0x1804242D0", Slot = "15")]
		public virtual void Reset()
		{
			throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
		}

		// Token: 0x0600BC0D RID: 48141 RVA: 0x00297DAC File Offset: 0x00295FAC
		[Token(Token = "0x600BC0D")]
		[Address(RVA = "0x27301B0", Offset = "0x272F1B0", VA = "0x1827301B0")]
		private void SetKey(byte[] key)
		{
			int num = RC564Engine.bytesPerWord;
			int num2 = key.Length;
			num2 += num;
			long[] array = new long[num2];
			int num3 = 0;
			if (num3 != key.Length)
			{
				num3++;
			}
			long[] array2 = new long[this._noRounds];
			this._S = array2;
			long p = RC564Engine.P64;
			array2[0] = p;
			long[] s = this._S;
			uint num4;
			long[] s2;
			if (num4 < (uint)s.Length)
			{
				int length = s.Length;
				uint num5 = num4 - 1U;
				long num6 = s[(int)num5];
				int length2 = s.Length;
				num4 += (uint)1;
				long num7 = RC564Engine.Q64;
				num7 += num6;
				s[0] = num7;
				s2 = this._S;
			}
			int length3 = s2.Length;
			if (array.Length > length3)
			{
			}
			if (s2 > 0)
			{
				long num8 = s2[num3];
				num8 += (long)num3;
				num8 += (long)num3;
				int num9 = RC564Engine.wordSize;
				int num10 = num9 - 1;
				num9 -= num10;
				s2[0] = num8;
				long num11 = array[num3];
				num11 += num8;
				num11 += (long)num3;
				int num12 = RC564Engine.wordSize;
				int num13 = num12 - 1;
				num12 -= num13;
				array[0] = num11;
				num3++;
			}
		}

		// Token: 0x0600BC0E RID: 48142 RVA: 0x00297EF8 File Offset: 0x002960F8
		[Token(Token = "0x600BC0E")]
		[Address(RVA = "0x272FAF0", Offset = "0x272EAF0", VA = "0x18272FAF0")]
		private int EncryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
		{
			long num = this.BytesToWord(input, inOff);
			long num2 = this._S[0];
			num2 += num;
			int num3 = RC564Engine.bytesPerWord;
			num3 += inOff;
			long num4 = this.BytesToWord(input, num3);
			long num5 = this._S[1];
			num5 += num4;
			uint num7;
			uint num6 = num7 + 1U;
			long[] s = this._S;
			int num8 = RC564Engine.wordSize;
			int num9 = num8 - 1;
			num8 -= num9;
			long[] s2 = this._S;
			uint num10 = num6 + 1U;
			num7 += (uint)1;
			num6 += (uint)2;
			int num11 = RC564Engine.wordSize;
			int num12 = num11 - 1;
			num11 -= num12;
			while (num7 <= (uint)this._noRounds)
			{
			}
			int num13 = 0;
			int num14 = RC564Engine.bytesPerWord;
			if (num13 < num14)
			{
				num13++;
			}
			return 0;
		}

		// Token: 0x0600BC0F RID: 48143 RVA: 0x00297FCC File Offset: 0x002961CC
		[Token(Token = "0x600BC0F")]
		[Address(RVA = "0x272F800", Offset = "0x272E800", VA = "0x18272F800")]
		private int DecryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
		{
			long num = this.BytesToWord(input, inOff);
			int num2 = RC564Engine.bytesPerWord;
			num2 += inOff;
			long num3 = this.BytesToWord(input, num2);
			int i = this._noRounds;
			long[] s = this._S;
			int num4 = RC564Engine.wordSize;
			int num5 = num4 - 1;
			num4 -= num5;
			long[] s2 = this._S;
			int num6 = RC564Engine.wordSize;
			int num7 = num6 - 1;
			num6 -= num7;
			while (i >= 1)
			{
			}
			long[] s3 = this._S;
			long num8 = this._S[1];
			num3 -= num8;
			num = num3;
			int num9 = RC564Engine.bytesPerWord;
			this.WordToBytes(num, outBytes, num9);
			int num10 = RC564Engine.bytesPerWord;
			return num10 + num10;
		}

		// Token: 0x0600BC10 RID: 48144 RVA: 0x00298088 File Offset: 0x00296288
		[Token(Token = "0x600BC10")]
		[Address(RVA = "0x2730090", Offset = "0x272F090", VA = "0x182730090")]
		private long RotateLeft(long x, long y)
		{
			int num = RC564Engine.wordSize;
			int num2 = num - 1;
			num -= num2;
			return x;
		}

		// Token: 0x0600BC11 RID: 48145 RVA: 0x002980A8 File Offset: 0x002962A8
		[Token(Token = "0x600BC11")]
		[Address(RVA = "0x2730120", Offset = "0x272F120", VA = "0x182730120")]
		private long RotateRight(long x, long y)
		{
			int num = RC564Engine.wordSize;
			int num2 = num - 1;
			num -= num2;
			return x;
		}

		// Token: 0x0600BC12 RID: 48146 RVA: 0x002980C8 File Offset: 0x002962C8
		[Token(Token = "0x600BC12")]
		[Address(RVA = "0x272F740", Offset = "0x272E740", VA = "0x18272F740")]
		private long BytesToWord(byte[] src, int srcOff)
		{
			int num = 0;
			byte b = src[src];
			num += (int)b;
			throw new NullReferenceException();
		}

		// Token: 0x0600BC13 RID: 48147 RVA: 0x002980E8 File Offset: 0x002962E8
		[Token(Token = "0x600BC13")]
		[Address(RVA = "0x2730640", Offset = "0x272F640", VA = "0x182730640")]
		private void WordToBytes(long word, byte[] dst, int dstOff)
		{
		}

		// Token: 0x0600BC14 RID: 48148 RVA: 0x002980FC File Offset: 0x002962FC
		// Note: this type is marked as 'beforefieldinit'.
		[Token(Token = "0x600BC14")]
		[Address(RVA = "0x2730700", Offset = "0x272F700", VA = "0x182730700")]
		static RC564Engine()
		{
			ulong num;
			RC564Engine.P64 = (long)num;
			ulong num2;
			RC564Engine.Q64 = (long)num2;
		}

		// Token: 0x04007688 RID: 30344
		[Token(Token = "0x4007688")]
		private static readonly int wordSize;

		// Token: 0x04007689 RID: 30345
		[Token(Token = "0x4007689")]
		private static readonly int bytesPerWord = RC564Engine.wordSize;

		// Token: 0x0400768A RID: 30346
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400768A")]
		private int _noRounds;

		// Token: 0x0400768B RID: 30347
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x400768B")]
		private long[] _S;

		// Token: 0x0400768C RID: 30348
		[Token(Token = "0x400768C")]
		private static readonly long P64;

		// Token: 0x0400768D RID: 30349
		[Token(Token = "0x400768D")]
		private static readonly long Q64;

		// Token: 0x0400768E RID: 30350
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x400768E")]
		private bool forEncryption;
	}
}